Audio Interface; Table 5. Audio Pin Description - Sierra Wireless AirPrime MC7354B Hardware Integration Manual

4. Audio Interface

The MC7354B supports a PCM/I
data; all other signals, such as subcoding and control, are transmitted separately. The audio interface
can be switched from PCM to I
Table 5. Audio Pin Description
Signal Name
PCM_CLK/I2S_CLK
PCM_DOUT/I2S_DOUT
PCM_DIN/I2S_DIN
PCM_SYNC/I2S_WS
4117529
2
S digital audio interface using a dedicated serial link for digital audio
2
S and vice versa via AT commands.
Pin Description
45 PCM Clock/I
47 PCM Data Out/I
49 PCM Data In/I
51 PCM SYNC/I
Rev 1.0
2
S Clock
2
S Data Out
2
S Data In
2
S WS
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